Home / 3,371.24-4,651.76-1,879.12

Finding the Fourth Proportional to 3,371.24, 4,651.76 and 1,879.12

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Solution

The fourth proportional to 3,371.24, 4,651.76 and 1,879.12 is: 2,592.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.24 : 4,651.76 = 1,879.12 : x
  2. Step 2: Convert to fraction form
    3,371.24/4,651.76 = 1,879.12/x
  3. Step 3: Cross multiply
    3,371.24x = 4,651.76 × 1,879.12
  4. Step 4: Simplify right side
    3,371.24x = 8,741,215.25
  5. Step 5: Solve for x
    x = 8,741,215.25/3,371.24
  6. Step 6: Final answer
    x = 2,592.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.